MedDataToolIntrovale
Generic: Levonorgestrel And Ethinyl Estradiol Tablets
Combination oral contraceptive✓ FDA-verified
View full FDA label ↗Introvale is a medication used by women to prevent pregnancy. It works by stopping the ovaries from releasing eggs. You take it as a tablet, one each day for 91 days, starting with the first pill on a Sunday after your period begins, and then taking a week of inactive pills. It's important to know that if you smoke and are over 35 years old, you should not use this medication due to an increased risk of serious health issues. Additionally, if you are using certain hepatitis C medications that contain ombitasvir, paritaprevir, or ritonavir, you should avoid taking Introvale.
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Uses
- Prevent pregnancy.
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Dosage
Take one tablet daily for 91 days.
Start on a Sunday after your period begins.
Use additional contraception for the first 7 days if starting new.
Take white to off-white tablets for 84 days, then green tablets for 7 days.
Always follow your doctor's specific instructions for your dose.
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Side effects
Common
headachenauseaacnebreast tendernessweight increasedepressioncardiovascular events
Serious
strokeliver disease
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Warnings
⚠ Important warnings
- Do not use if you smoke and are over 35 years old.
- Increased risk of serious cardiovascular events with smoking.
- Use additional contraception if switching from other contraceptives.
- Not recommended for lactating women.
- Consider risk of pregnancy before starting.
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Drug interactions
- CYP3A4 inducersmay decrease effectivenessCaution
- Colesevelamdecreases exposure to ethinyl estradiolCaution
- John's wortmay decrease effectivenessCaution
- Certain HIV protease inhibitorsmay decrease effectivenessCaution
- Thyroid hormonemay need dosage adjustment.Caution
Ask about this drug
Answers pulled from the FDA label only.
Medical Disclaimer: This content is provided for informational and educational purposes only and is not intended as medical advice. Always consult a qualified healthcare provider before taking any medication.
Data Source: Publicly available drug labeling information from the U.S. Food and Drug Administration (FDA).
Data Source: Publicly available drug labeling information from the U.S. Food and Drug Administration (FDA).